CAIE IGCSE Chemistry 10.3.3 Pollutant Effects Co2 and Methane Questions

Work through real CAIE IGCSE Chemistry questions to link pollutants with greenhouse warming, toxicity, acid rain and photochemical smog effects.

Syllabus
2026–2028
Course
Chemistry 0620

Exam points

  • link carbon dioxide and methane to enhanced greenhouse warming and climate change
  • link carbon monoxide to toxicity and adverse effects on human health
  • link sulfur dioxide and nitrogen oxides to acid rain, with nitrogen oxides also causing photochemical smog
  • explain how sulfur dioxide reacts with atmospheric water to form acid rain

CAIE IGCSE Chemistry 10.3.3 Pollutant Effects Co2 and Methane Questions question 1

[Maximum number: 1]

Which compounds both contribute to acid rain?

A

carbon monoxide and carbon dioxide

B

carbon monoxide and oxides of nitrogen

C

oxides of nitrogen and sulfur dioxide

D

sulfur dioxide and carbon dioxide

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